JBL PD544 15-inch 2-Way Full-Range Loudspeaker
15" Horn-Loaded Full-Range Loudspeaker System. PD544 is a Precision Directivity™ loudspeaker designed for applications requiring high output capability with excellent pattern control. PD544 can be utilized in music or speech systems where frequency extension to 80 Hz is adequate or combined with subwoofers to create extended bandwidth fullrange systems.